State
Reduced Effective Capacity
State water heater: hot water runs out faster than it used to.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Sediment buildup in the tank, Broken or missing dip tube, One element not heating (electric), Increased household demand
How to Fix / Troubleshooting
Safety: Turn off power or gas and allow water to cool before draining.
- Flush tank: Connect a hose to the drain valve and flush until water runs clear. This can restore some capacity.
- Inspect dip tube: Shut off the cold water supply, remove the cold inlet nipple, and check the plastic dip tube. Replace it if broken or deteriorated.
- Check elements (electric): Verify that both elements are operating.
- Evaluate sizing: If demand has increased, consider upsizing the heater or adding a second unit.
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Repair Difficulty
Medium
3/5
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